Best Ways To Bleed a Radiator

Keeping warm and toasty during the colder months makes a house a home. However, if you notice one of your radiators is cold at the top, it probably means trapped air, which needs to be released.

Switch off your heating to prevent scalding yourself or damaging your floor or wall when hot water escapes from the radiator

Use a radiator key to turn the valve in the top corner of the radiator

Hold a cloth under the valve to catch any water that escapes from the radiator

Allow air to hiss out of the valve – once the escaping air is replaced with water, close the valve with the radiator key

After bleeding your radiators, your boiler may need to be re-pressurised

Check the pressure gauge on your boiler – if it’s below 1 bar, it’ll need to be topped up with air

There will be a filling loop valve near the boiler – open this valve to top up the pressure to about 1.5 bar (never go above 2.5 bar)

Each boiler is different, so please read the manufacturer’s instructions for more precise details

If a radiator is cold at the bottom and bleeding the radiator didn’t help, it’s likely that debris has collected in the bottom of your radiator. You’ll need to employ a qualified plumber to remove the radiator and flush this out of the radiator system

*Hoozzi How To articles are intended as advice only. Please refer to your completion documents for specific information on lease and covenant restrictions and maintenance of your home.*

Keeping warm and toasty during the colder months makes a house a home. However, if you notice one of your radiators is cold at the top, it probably means trapped air, which needs to be released.

Switch off your heating to prevent scalding yourself or damaging your floor or wall when hot water escapes from the radiator

Use a radiator key to turn the valve in the top corner of the radiator

Hold a cloth under the valve to catch any water that escapes from the radiator

Allow air to hiss out of the valve – once the escaping air is replaced with water, close the valve with the radiator key

After bleeding your radiators, your boiler may need to be re-pressurised

Check the pressure gauge on your boiler – if it’s below 1 bar, it’ll need to be topped up with air

There will be a filling loop valve near the boiler – open this valve to top up the pressure to about 1.5 bar (never go above 2.5 bar)

Each boiler is different, so please read the manufacturer’s instructions for more precise details

If a radiator is cold at the bottom and bleeding the radiator didn’t help, it’s likely that debris has collected in the bottom of your radiator. You’ll need to employ a qualified plumber to remove the radiator and flush this out of the radiator system

*Hoozzi How To articles are intended as advice only. Please refer to your completion documents for specific information on lease and covenant restrictions and maintenance of your home.*